<template>
    <div>
        <!-- 面包屑导航 -->
      <el-breadcrumb separator-class="el-icon-arrow-right">
        <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>商品管理</el-breadcrumb-item>
        <el-breadcrumb-item>商品列表</el-breadcrumb-item>
      </el-breadcrumb>
      <!-- 卡片视图区域 -->
      <el-card>
        <el-row :gutter="20">
            <el-col :span="8">
              <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getgoodsList">
               <el-button slot="append" icon="el-icon-search" @click="getgoodsList"></el-button>
              </el-input>
            </el-col>
            <el-col :span="4">
                <el-button type="primary" @click="addGoods">添加商品</el-button>
            </el-col>
        </el-row>
        <!-- table表格区域 -->
        <el-table :data="goodslist" border stripe>
        <!-- 索引列 -->
        <el-table-column type="index"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
        <el-table-column label="商品价格(元)" prop="goods_price" width="100px"></el-table-column>
        <el-table-column label="商品重量" prop="goods_weight" width="100px"></el-table-column>
        <el-table-column label="商品创建时间" prop="add_time" width="140px">
          <template slot-scope="scope">
            {{scope.row.add_time | dateFormat}}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="130px">
            <template>
              <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
              <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeById(scope.row.goods_id)"></el-button>
            </template>
        </el-table-column>
        </el-table>
        <!-- 分页区域 -->
        <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[5, 10, 15, 20]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total" background>
    </el-pagination>
      </el-card>
    </div>
</template>
<script>
export default {
    data(){
        return {
          //查询参数对象
          queryInfo: {
              query: '',
              pagenum: 1,
              pagesize: 10
          },
         //商品列表
         goodslist: [],
         //总的数据条数
         total: 0
        }
    },
    created(){
      this.getGoodsList()
    },
    methods: {
        //根据分页获取对应的商品列表
      async getGoodsList(){
        const {data:res} = await this.$http.get('goods',{params: this.queryInfo})
        if(res.meta.status !== 200){
            return this.$message.error('获取商品列表数据失败')
        }
        this.goodslist = res.data.goods
        this.total = res.data.total
        console.log(res.data);
      },
      handleSizeChange(newsize){
        this.queryInfo.pagesize = newsize
        this.getGoodsList()
      },
      handleCurrentChange(newPage){
        this.queryInfoo.pagenum = newPage
        this.getGoodsList()
      },
      async removeById(goods_id){
        const confirmResult = await this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err => err)
        if(confirmResult !== 'confirm'){
          return this.$message.info('已取消删除')
        } 
        this.$http.delete(`goods/${goods_id}`)
        if(res.meta.status !== 200){
          return this.$message.error('删除失败')
        }
        this.$message.success('删除成功')
        this.getGoodsList()
      },
      addGoods(){
        this.$router.push('goods/add')
      }
    }
}
</script>
<style lang="less" scoped>

</style>